Without using a calculator, find all the roots of the equation. x^4 - 4x + x^2 + 12x-12 = 0
A. -2, 2 ± √3
B. 2, ± √3
C. -3,-2,1
D. -1,2,3 NEED HELP ASAP PLEASEE

192/15 = 12.8.

12.8

step-by-step explanation:

192/15 is 12.8.

however, it says to round to the nearest foot, which would equal 13.

answer: hence, function will be

explanation:

since we have given that

cost of a new textbook = $85

according to question, the resale value of a textbook decreases by 25% with each previous owner,

so, our function becomes,

here, y is the total value of the text book after x owners.

hence, function will be